package options

import (
	"fmt"
	"os"
	"strconv"
	"time"

	v2 "gitea.timerzz.com/kedaya_haitao/common/structs/v2"
	"github.com/golang/glog"
)

type Config struct {
	ProviderId    v2.ProviderId `yaml:"provider_id"`
	WatchInterval time.Duration
	AtsInterval   time.Duration
	AtsThreshold  int // 库存一定时间内减少多少个通知
}

func LoadConfigs() (opt *Config, err error) {
	opt = &Config{}
	// 从环境变量中读取ProviderId
	opt.ProviderId = v2.ProviderId(os.Getenv("PROVIDER_ID"))
	if opt.ProviderId == "" {
		return nil, fmt.Errorf("环境变量未配置供应商id")
	}

	opt.WatchInterval, _ = time.ParseDuration(os.Getenv("WATCH_INTERVAL"))
	opt.AtsInterval, _ = time.ParseDuration(os.Getenv("ATS_INTERVAL"))
	if opt.WatchInterval == 0 {
		opt.WatchInterval = 5 * time.Minute
	}
	if opt.AtsInterval == 0 {
		opt.AtsInterval = 15 * time.Minute
	}
	opt.AtsThreshold, _ = strconv.Atoi(os.Getenv("ATS_THRESHOLD"))
	if opt.AtsThreshold == 0 {
		opt.AtsThreshold = 40
	}

	glog.Infof("加载watch interval %s\nats interval %s\nats threshold %d", opt.WatchInterval, opt.AtsInterval, opt.AtsThreshold)
	return
}